<script lang="ts" setup>
import {ref, version} from 'vue'

const message = ref('hello world')

function change() {
  message.value = 'bb'
}
</script>

<template>
  <button @click="message='aa'">修改message值aa</button>
  <button @click="change">修改message值bb</button>
  {{ 2 * 3 }} -- {{ 2 ** 3 }} [{{ version }}]
  <p>{{ message }}</p>
</template>

<style scoped>

</style>
